9800 Martel Road Lenoir City, TN 37772 www.ps-engineering.com PMA8000B Document P/N 200-890-0100 For serial numbers X04822 and below Rev. 13, December 2009 Audio Selector Panel with Marker Beacon Receiver High-fidelity Stereo Intercom System Installation and Operation Manual FAA- TSO C50c, C35d EASA ETSO C50c, 2C35d Patented under one or more of the following; No.
Table of Contents Section I – GENERAL INFORMATION.......................................................................................... 1-1 1.1 INTRODUCTION...................................................................................................................... 1-1 1.2 SCOPE ....................................................................................................................................... 1-1 1.3 EQUIPMENT DESCRIPTION .....................................................
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.12.3 MARKER CHECKOUT ............................................................................................................. 2-14 2.12.4 TEL CHECKOUT .................................................................................................................... 2-14 2.12.5 INTERNAL RECORDER CHECKOUT ..........................................................................................
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Section I – GENERAL INFORMATION 1.1 INTRODUCTION The PMA8000B represents another evolutionary step in cockpit audio control and intercommunications utility. Using our patented IntelliVox® design, front panel utility jack, and pilot programmable configur ations, this marks the next level of audio control. The unit is designed for outstanding ergonomics and visually defined mode annunciation and selection.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual The small volume knob controls the intercom level for the pilot and copilot, while the large knob contro ls the passenger intercom volume. Intercom squelch is automatic. A 3-light, 75 MHz Marker Beacon receiver is integrated in the PMA8000B. This provides the necessary Marker Beacon lights and audio indications necessary for that portion of an Instrument Land ing System (ILS) approach.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Audio Selector Specifications 510 Audio selector panel input impedance: -60 dB (min.) Input Isolation: -60 dB (min.) Speaker Muting: Speaker Output (into 4 ) with no clipping 3 Watts (min.) 14 VDC: 10 Watts (min.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 1.6 EQUIPMENT SUPPLIED 1 ea. of the following units: Model PMA8000B Description PMA8000B Audio Panel with Marker Beacon and Stereo intercom. Part Number 050-890-0202 PMA8000B Installation Kit: 250-890-0000 Description 1.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Section II - INSTALLATION 2.1 2.1.1 GENERAL INFORMATION SCOPE This section provides detailed installation and interconnectio n instructions for the PS Engineering PMA8000B Audio Selector Panel/Intercom/ with internal Marker Beacon. Please read this manual carefully before beginning any installation to prevent damage and post installation problems.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual FHP 6-32 x ½" screws (475-632-0012). The audio selector panel must be supported at front and rear of the mounting tray. 2.3.4 Audio Panel Tray and Connector Assembly The rack connectors mate with two 44-pin connectors in the PMA8000B. The connectors are a subminiature crimp-type, and require the use a hand crimp tool, from table below (or equiv.).
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Radiated signals can be a factor when low level microphone signals are "bundled" with current carrying power wires. Keep these cables physically separated. It is very important that you use insulated washers to isolate the ground return path from the airframe to all headphone and microphone jacks. 2.4.1.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Some avionics do not provide a separate audio low, and may introduce additional electrical noise into the system. For best results, connect the audio low from the audio panel to the radio ground, using one conductor of the twisted-shielded cable. 2.4.5.1 Speaker Load The PMA8000B contains one speaker amplifier.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.4.8 "Swap" Mode When a momentary, normally open, push-button switch is connected between pin 20 on the J2 connector and aircraft ground, the user can switch between Com 1 and 2 by depressing this switch without having to turn the mic selector switch. This yoke-mounted switch eliminates the need to remove your hands from the yoke to change transceivers.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual NOTE The front-mounted utility jack is intended for portable equipment that is advisory in nature. It is NOT INTENDED for use as a primary warning channel. Audio of importance MUST ALWAYS be hard-wired into the unswitched inputs of the audio panel. 2.4.11 Public Address Mode By pressing the Mute and SPR pushbuttons at the same time, the PMA8000B will be placed into public address (PA) mode.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Figure 2-3 Jumper Location 4. Place the lid back on the unit, aligning holes. 5. Install and tighten qty. 4 long thread screws into the lid, and one short screw on the rear. 2.4.12 PA Mute (J2, Pin 12) Pin 12 of J2 is a TTL logic output that is pulled low during PTT operation. This serves as an input to e xternal public address system to prevent feedback during transmissions. 2.4.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual NO TE Use t h e l ow l evel out put of a n y a ddi t i on a l en t er t a i n m en t devi ce t o con n ect t o t h e a udi o pa n el . Ma xi m um si gn a l l evel i s 3 VAC p-p. DO NO T use a spea ker -l evel out put , t h i s wi l l ca use i n t er n a l da m a ge i n t h e a udi o pa n el . 2.5.2 Entertainment muting The PMA8000B-system incorporates a "Soft Mute™" system.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.5.4 Playback button Installation Internal Recorder can be played back from the front panel. A remote momentary, normally open (NO) push button switch may be installed if desired to remotely activate the Recording System playback. This switch can be located anywhere in cockpit convenient to the pilot's reach. The switch should be connected to pin 22 of J2 of the PMA8000B, and ground. 2.6 2.6.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Shorter Screw Front of unit NOTE: If top cover is removed for ANY reason, you MUST replace the cover screws with the proper length, otherwise damage will result. Figure 2-4- PMA8000B Adjustments, top cover Speaker Volume- Turn adjustment clockwise to increase cabin speaker output. Marker Beacon Volume, turn adjustment counterclockwise to increase marker beacon audio level.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.8 Communications Antenna Installation Notes For best results while in Split Mode, it is recommended that the one VHF communications antenna is l ocated on top of the aircraft while the other communications antenna is installed on the bottom. Any antenna relocation must be accomplished in accordance with AC 43.13-2A, aircraft manufacturers’ recommendations and FAA-approved technical data.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 2.10 Post Installation Checkout After wiring is complete, verify power is ONLY on pins 8 and 9 of the J2 and airframe ground on connector pins 10 and 11. Failure to do so will cause serious internal damage and void PS Engineering's wa rranty. 2.11 Unit Installation To install the PMA8000B, gently slide the unit into the mounting rack until the hold -down screw is engaged.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 13. Push the SPR button. Verify that all selected audio is heard in the cockpit speaker. Verify that the audio mutes when the mic is keyed. 14. Verify that the appropriate LED in the lower button row blinks when either push to talk is keyed. 15. Verify proper Intercom system operation in the ALL, ISO and CREW modes (see Table 3-1). 16.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Section III OPERATION 3.1 SCOPE This section provides detailed operating instructions for the PS Engineering PMA8000B, Audio Selector Panel/Marker Beacon Receiver/Intercom Systems. Please read it carefully before using the equipment so that you can take full advantage of its capabilities. This section is divided into five sections covering the basic operating areas of the PMA8000B systems.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual When switching from COM 1 to COM 2 while Com 2 was not previously selected, COM 1 audio will be switched off. In essence, switching the mic selector will not override prior selection of COM receiver audio. In normal (not split) modes, the PMA8000B gives priority to the pilot’s radio Push-To-Talk (PTT).
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual In ISO intercom mode, when the PMA8000B is in the TEL mode, the pilot position is in the "Phone Booth." Only the pilot will hear the telephone, and only he will be heard. He will also have access to Com 1 or 2, and will transmit on that radio using the PTT. All selected audio is provided to the pilot.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual ternal) are in working order. TST does not activate MM autopilot sense output. Releasing the button r eturns to the last sensitivity. Pressing the marker mode select (“T/M”) for one second will also cause the marker audio to mute for that beacon. The next beacon received will re-activate the audio. 3.7 3.7.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.7.2.1 Mono headsets in Stereo Installation The pilot and copilot positions work with stereo or mono headsets. All passenger headsets are connected in parallel. Therefore, if a monaural headset is plugged in to a P MA8000B Stereo installation, one channel will be shorted. Although no damage to the unit will occur, all passengers will lose one channel, unless they switch to the “MONO” mode on the headset.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Mode 2 - “Karaoke” mode - music will not mute except during transmissions.- MUTE LED is OFF. Annunciation is "mute off." Mode 3 - Radio will mute music, but intercom will not mute music - MUTE LED is OFF. Annunciation is "radio mute." Mode 4 - Radio will not mute music, intercom will mute music - MUTE LED is OFF. Annunciation is "intercom mute.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.9.1 Cellular telephone sidetone As shipped from PS Engineering, the PMA8000B does NOT provide cellular telephone sidetone (the user’s voice fed back to the headset). Some cell phones do not provide sidetone. In PMA8000B MP3 Avidyne audio panels above serial number W04748, Telephone sidetone can be enabled by pressing the TEL and ADF buttons for more than one second.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual 3.10.3 Music Input When used as a music input, the front panel jack is treated as Music #1. However, thanks to the function controls, it can be distributed to all users, regardless of the intercom mode. A patch cord is available with 2.5 mm to 3.5 mm (3/32 to 1/8” ) adapter cord (PS Part Number 425-006-2535). 3.10.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Figure 3-2 Smart Function Keys These functions are non-essential and non-required and as such are only an accessory capability. They don’t affect the audio panel’s primary function as a selector panel, aircraft intercom, or marker beacon receiver. You can’t do anything with these buttons to prevent the PMA8000B from doing its main job.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Pushing Function “A” again will toggle to the other mode. In this case, the Front Jack Music makes the front panel utility jack a music source, as a convenient place to plug in an iPod. You will hear, “ Front Jack, Music with muting.” This music input will act just like a standard music input of the audio panel, allowing either SoftMute or karaoke modes.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Press again, and you will hear “Standard Music Distribution.” In this mode, Music 2 becomes active, and will always be presented to the passengers on the intercom. Music 1 is only available to the pilot and copilot. The intercom mode switch doesn’t have any affect on the music distribution.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual to 60 seconds of audio. The pilot and copilot hear the playback. It is also possible to modify the unit to exclude the copilot from the playback, and annunciation playback. Contact PS Engineering, for more d etails. [In systems with serial number J01860 and below, only the pilot will hear the playback.] 3.11.1 Playback Recording is automatic.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Section IV – Warranty and Service 4.1 Warranty In order for the factory warranty to be valid, the installations in a certified aircraft must be accomplished by an FAA-(or other ICAO agency) certified avionics shop and authorized PS Engineering dealer.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix A – External PTT Hook Up Part of the installation includes the installation of PTT (Push To Talk) switches that allow the use of your aircraft radio for communications transmissions. There are three possible configurations; you must select the case that best fits your install ation. NOTE: Only the person who presses their PTT switch will be heard over the radio.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix B – PMA 8000 Installation Drawings J2 J1 Viewed from Back 15 30 15 30 1 16 31 44 44 1 16 31 Solder Lug (mount as convenient) Rear plate detail (not to scale) 6.31 in 1.28 in 1.28 in 0.96 in 0.36 in 0.37 in 3.87 in 5.53 in 6.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix C – J1 Connector Interconnect Co m 1 A ud io Hi Communications Transceiver #1 Co m 1 L o Co m 1 M ic A ud io Hi Co m 1 M ic K e y Co m 2 A ud io Hi Communications Transceiver #2 Co m 2 L o Co m 2 M ic A ud io Hi See Note 4 Co m 2 M ic K e y Com 2 SPR Load Co m 2 S p r L o ad Co m 2 S p r L o ad TE L A udio Hi Telephone TE L A udio L o TE L M ic A ud io Hi Nav 1 A ud io Hi VHF Nav 1 Nav
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix D – J2 Connector Interconnect PMA8000B J2 CONNECTOR (Sub-D 44-pin male on tray) 31 Pilot Phones (R) 16 1 Pilot PhonesJack Pilot Phones (L) Pilot Phones Lo 4 3 2 Copilot Phones (R) Copilot PhonesJack Copilot Phones (L) Copilot Phones Lo 44 43 Speaker Hi Cockpit Speaker Speaker Lo Notes: 15 1.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix E – Instructions for FAA Form 337 and continuing airworthiness 9.1 Instructions for FAA Form 337, Audio Panels One method of airworthiness approval is through an FAA Form 337, Major Repair and Alteration (Airframe, Powerplant, Propeller, or Appliance) In the case of the PMA8000B, you may use the following text as a guide.
PS Engineering PMA8000B Audio Selector Panel and Intercom System Installation and Operator’s Manual Appendix F – RTCA DO160D Environmental Qualification Form Audio Selector Panel/Intercom/Marker Beacon Receiver Part Number: 050-890-( ) FAA TSO Number: C50c, C35d Manufacturer: PS Engineering Incorporated 9800 Martel Road Conditions Temperature and Altitude Low Temperature High Temperature In-flight Loss of Cooling Altitude Decompression Overpressure Temperature variation Humidity Shock Operational Crash Saf
